Chapter 21

The oldest lunar features are _____

The formation of the solar system from a huge cloud of dust annd gases is called ______

Bright splash marks radiating outward for hundreds of kilometers from large lunar craters are called ______

THe maria lowlands on the Moon are most like _________

When viewed from Earth, the darker areas on the Moon are called ________.

Most of the Moon's craters were produced by _____.

What are the terrestrial plantes

What is the last prominent feature formed on the surface of the moon

What causes the large craters on the moon compared to the Earth?

The Jovian planets contain a large percentage of the

The youngest lunar feature is _____.

______ is more proportionally more abundant on terrestrial planets than on Jovian planets?

Brightly densed cratered regions on the surface of the moonn are

Frozen carbon dioxide is characteristic of

What is believed to have hit the Earth to produce the moon?

How long ago do scientists believe the solar formed?

During which phase of lunar development did the maria form?

The most obvious lunar surface feature are

Which catagory of plantes have a high escape velocity?